<div class="example-wrapper">
    <div>
        <div style="margin-bottom: 5px; display: flex">
            <button onclick="onBtStartEditing(undefined)">edit (0)</button>
            <button onclick="onBtStartEditing('Backspace')">edit (0, Backspace)</button>
            <button onclick="onBtStartEditing('T')">edit (0, 'T')</button>
            <button onclick="onBtStartEditing(undefined, 'top')">edit (0, Top)</button>
            <button onclick="onBtStartEditing(undefined, 'bottom')">edit (0, Bottom)</button>
        </div>
        <div style="margin-bottom: 5px; display: flex">
            <button onclick="onBtStopEditing()">stop ()</button>
            <button onclick="onBtNextCell()">next ()</button>
            <button onclick="onBtPreviousCell()">previous ()</button>
            <button onclick="onBtWhich()">which ()</button>
        </div>
    </div>
    <div class="grid-wrapper">
        <div id="myGrid"></div>
    </div>
</div>
